This section contains an alphabetical list of over 130 companies (I-Z) that sell antibodies or antibody-related products on the internet. For the previous list of companies (A-H), click here. If a company has a particular specialty, it is noted. This section is "researcher friendly" and only includes links of companies that have some kind of list or searchable catalogue of their products.

If you are interested in the custom production of research scale quantities of antibodies, see our custom antibody suppliers page. If you are interested in the large scale, regulatory compliant (cGMP) production of antibodies, see our large-scale antibody production page.

If you know of a company that should be added or deleted from this section, please click here.

1. Imgenex - a leading provider of innovative research reagents to novel proteins and biomarkers. Their site includes an award winning Google enhanced search functionally and a product specific Knowledgebase with answers to questions that researchers ask most.

2. IBL-Hamburg

3. IBT - develops, manufactures, and distributes antibodies, recombinant proteins and immunoassays, mainly in the field of insulin-like growth factors (IGF´s) and insulin-like growth factor binding proteins (IGFBP´s)

4. IDS - makers of specialized immunohistochemical (IHC) antibodies including those for bone related markers

5. IMMCO Diagnostics - makers of autoimmune controls and secondary conjugates. They provide immunohistochemical and ELISA reagents for the detection of autoimmune related disorders.

6. Immuno-Biological Laboratories - an international supplier of reagents and assays for research and clinical diagnostics

7. Immunodiagnostik - antibodies for medical research and diagnostics, including calcium and bone metabolism, heart and cardiovascular diseases. Also, antibodies to thymus-peptides and hormones.

8. ImmunoGlobe Antikoerpertechnik

9. ImmunoKontact - antibodies for cytokines, chemokines, growth factors, cell signaling, phosphorylation, TLR, sumo, apoptosis, cell proliferation, DNA damage, and stress response

10. Immunology Consultants Laboratory - producer of monoclonal and polyclonal antibodies for veterinary diagnostics (FeLV, FIV, distemper, canine IgE), human infectious disease antigens and antibodies (dengue, Chagas, T.B, rubella), and affinity purified polyclonal antibodies and conjugates to animal and human proteins.

11. Immunometrics - tube based immunoassay kits and a range of primary reagents

12. Immuno-Precise Services - anti-salmonid antibodies

13. Immunostar - specializing in antibodies and peptide controls for neuroscience applications, product offering also includes antibodies to pancreatic hormones and peptide controls, gastrointestinal hormones and peptide controls, catecholamine enzyme markers, and oncogenes.

14. Immunostep - manufacturer and distributor of antibodies to cell human markers for flow cytometric applications. Supplying bulk antibodies conjugated in a variety of fluorochromes

15. ImmunoTools - manufacturer and distributor of antibodies to cell markers for flow cytometric applications, anti-cytokine antibodies, ELISA, and more

16. Immunovision - producers of Ro/SS-A, La/SS-B, Sm, nRNP, Scl-70, and Jo-1 antigens

17. Immunsystem - offers a Protein A ELISA kit and chicken antibody products in application areas covering research, human therapy, and diagnostics. Immunsystem has been working with chicken antibodies since 1983.

18. Immuquest - antibodies against proteins involved in cell cycle/signalling, checkpoint control, nuclear envelope pore and transport, RNA binding (hnRNP), neuroscience, and various disease states.

19. Innova Biosciences - services for the rapid optimization of conjugates using labeling technology that requires only microgram quantities of antibody. The company also offers single-step labelling kits (30 seconds hands-on time) for customers who wish to reduce the number of wash steps in immunoassays by directly labelling their primary antibody.

20. Innovation Automation - software for immunochemistry data management and reporting

21. Innovex - offers over 250 antibodies all suitable for paraffin staining sections and with 3 years of shelf life. They also manufacture innovative STAT staining kits and specialize in staining enhancement reagents and background blocking agents such as Background Buster and Fc Receptor Blocker.

22. Insight Biotechnology - cytokine, CD, cell biology, and secondary antibodies

23. Invitek - antibodies against matrix metalloproteinases (MT1-MMP, MT2-MMP, MT3-MMP, MT4-MMP)

24. Invitrogen - innovative products for gene expression and analysis. Products include a line of antibodies which detect epitope-tagged fusion proteins produced by a wide variety of expression vectors and systems which utilize recombinant antibody technology.

25. IQ Products - flow cytometry reagents for research and diagnostics, including a TGF-beta R-PE kit, a fetal cell count kit, and dual color feto-maternal hemorrhage diagnosis kit

26. Isconova - providers of ready-to-use and safe adjuvants for the production of monoclonal and polyclonal antibodies

27. ISL (Immune Systems Ltd)

28. Jackson ImmunoResearch Laboratories - specializes in the production and conjugation of affinity-purified, secondary antibodies and purified immunoglobulins

29. Jackson Laboratory - buy your mice here

30. KCH Scientific - antibodies and antigens for infectious diseases such as hepatitis and HIV

31. Kirkegaard & Perry Laboratories - suppliers (for over 20 years) of a wide variety of secondary and labeled antibodies

32. Kim Laboratories - monoclonal antibodies to Norovirus Genogroup I (GI.2-G1.8) and Genogroup II (GII.2-GII.4, GII.7-GII.9, GII.13, GII.14), E. coli O157:H7, Salmonella (serogroups A-I), and Staphylococcus aureus. They also sell detection systems for bacterial and viral food borne pathogens

33. KMI Diagnostics - now known as Immuno-Biological Laboratories

34. Koma Biotech

35. Kordia Laboratory Supplies - antibodies to animal and human proteins

36. Lab Vision Corporation - antibodies for cancer research

37. LAE Biotechnology Company

38. Lake Placid Biologicals - antibodies for studying chromatin and the biology of the nucleus. Antibodies have been designed for applications such as chromatin IP, immunofluorescence and Western blot.

39. Lampire Biological Laboratories

40. Lee BioSolutions - specializing in the development and purification of high quality biomarkers for the immunodiagnostic, clinical diagnostic, and pharmaceutical industries

41. Lee Laboratories

42. Leinco Technologies - a large, searchable selection of antibodies (>400)

43. Maine Biotechnology Services - an extensive offering of bulk and OEM antibody products are available

44. MBL International - supplier of monoclonal antibodies, polyclonal antibodies, and kits for cell biology, apoptosis, signal transduction, cytokines, neuroscience and cell surface antibodies

45. Medicago

46. Mediclone - antibodies for blood typing

47. Medix Biochemica - monoclonal antibodies for diagnostic applications

48. Meso Scale Discovery - a vendor of protein biomarker immunoassays spanning cytokines, cell-signaling, and broad therapeutic areas, such as oncology, cardiac, metabolic, and Alzheimer’s disease

49. Microbix - an international supplier of antibodies and antigens for EBV, CMV, HSV, VZV, HAV, RSV, paraflu, adeno, flu, Rubella, vaccinia, chlamydia, toxo, RSV, measles, mycoplasma, Dengue, West Nile, and Borrelia

50. MicroPharm - makers of a variety of antisera for diagnostics and research

51. Microtek International - more than 30 polyclonal and monoclonal antibodies to fish proteins and fish pathogens (bacterial, viral, and parasitic). Microtek also produces antibody conjugated latex beads for agglutination detection of pathogens.

52. Miltenyi Biotec - supplier of fluorochrome-conjugated and unconjugated antibodies for the immunofluorescent analysis of murine, human, and non-human primate cells. Products include unique antibodies and kits for stem cell and dendritic cell research. MACS® control antibodies are optimized for the evaluation of cell fractions separated by MACS® technology.

53. MitoSciences - developer and marketer of mitochondria specific monoclonal antibodies and research kits

54. MoBiTec - antibodies for cell biology and neurobiology, apoptosis, and signal transduction

55. ModiQuest

56. Molecular Innovations - antibodies to plasminogen activator inhibitor 1 and tissue plasminogen activator

57. Molecular Probes - antibodies tagged with fluorescent molecules or fluorescent molecules that can be used as antibody tags. Their online catalogue is also a great reference source on the properties and uses of fluorescent molecules.

58. MP Biomedicals - offering of a broad line of monoclonal and polyclonal primary and secondary antibodies

59. Mubio Products - antibodies to a.o. nuclear proteins, cytoskeletal proteins, cell-adhesion molecules, and membrane-associated proteins in the ER, sarcoplasmic reticulum, mitochondria and tumor associated antigens

60. NatuTec

61. Neoclone - antibodies to RNA transcriptional factors

62. Neuromics - antibodies for the neuroscience community

63. New England Biolabs - signal transduction antibodies

64. Novus Biologicals - supplier of primary antibodies. Areas of focus include DNA repair, cancer markers and neuroscience reagents.

65. Nordic Immunological Laboratories - a Dutch company offering over 1500 antibodies to human and animal immunoglobulins, enzymes, and other proteins

66. Norrin Laboratories - specializing in the manufacture and distribution of three major antibodies and their conjugates for research use: anti-human cytokeratin, anti-human melanoma, and anti-human muscle actin

67. OEM Concepts - antibodies and antigens for diagnostic applications. In addition, antibodies to food borne pathogens are also available

68. Open Biosystems - antibodies against GFP, TAP, polyhistadine, GST; secondary antibodies labeled with AP, HRP, APC, TRITC, FITC, Rhodamine, Texas Red; and control antibodies for RNAi

69. Orbigen

70. Osenses - with a focus on sensory neurons, they offer antibodies related to chemosensory receptors (olfactory, vomeronasal, trace amine-associated receptors) and transient receptor families

71. Pacific Immunology - makers of AdjuLite® Adjuvants

72. PBL Biomedical Laboratories - anti-interferon antibodies

73. Peprotech - cytokine products that include monoclonal and polyclonal antibodies

74. PerkinElmer Life Sciences - antibodies for use in the DELFIA® and LANCE™ labelling technologies based on the time-resolved fluorometry principle of lanthanide chelates and antibody coated plates for DELFIA® assays

75. Perseus Proteomics - monoclonal antibodies against 48 different nuclear hormone receptors

76. Phoenix Pharmaceuticals - specializing in peptides, polyclonal peptide antibodies, and peptide related immunology

77. Pierce Chemical Company - Pierce sells a variety of anti-antibodies, products to facilitate protein conjugation, ELISA reagents, etc...

78. PlasmaLab International - collecters and suppliers of normal and disease state human plasma for use in research and in-vitro diagnostics. Their main focus is in the areas of autoimmune and allergic disorders.

79. Polymun Scientific - monoclonal antibodies against HIV-1 and human Cu/Zn superoxide dismutase (SOD)

80. Precision Antibody - manufacturers and vendors of anti-HIF-1a, anti-GST, anti-HIS, and other antibodies

81. Pro-Chem - manufacturer of high-speed Protein A, G and L spin columns for rapid and simple antibody purification and immunoprecipitation. The columns purify up to 40 mgs of antibody per column in a standard swing bucket centrifuge.

82. Promab Biotechnologies - antibody products for cytokine, infectious disease, and pathology research

83. Promega Corporation - primary antibodies to phosphorylated (active) kinases, growth factors, neurotrophic factors, transcription factors as well as a selection of labeled secondary antibodies

84. ProSciTech - specialist microscopy suppliers. The have a large range of immunogold products for light and electron microscopy.

85. ProSci - affinity-purified, peptide-specific polyclonal antibodies to novel antigens in fields such as apoptosis, P53 network, HIV/chemokine receptors, signal transduction, neurobiology, and immunology

86. ProSpec

87. ProtEra - anti-HERG antibodies

88. Proteogenix - antibodies for immunohistochemistry (e.g., D2-40, Hip-1, prion, beta-amyloid) andcell cycle antibodies (e.g., Ki-67, p21, p16, Daxx) as well as a large selection of CD markers. Conjugated markers for immunofluorescence are also available.

89. Protos Immunoresearch - specializing in antibody Fab fragments and affinity purified antibodies

90. QED Biosciences - antibodies for cancer markers, apoptosis, neuroscience, signal transduction, infectious disease, drug monitoring, coagulation factors, serum proteins, enzymes, and more

91. Quidel Corporation - autoimmune and complement products including monoclonals, EIA kits, and antisera

92. R&D Systems - antibodies for cytokines, growth factors, signal transduction, stem cells, apoptosis, neuroscience, development, proteases, & more

93. Randox - clinical chemistry reagents and analysers, quality controls, and a range of related products including polyclonal antibodies

94. Research Diagnostics - distributor of antibodies, cytokines, and other fine immunochemicals

95. Repligen - protein A technologies and ELISA kits

96. Roboscreen - antibodies and proteins for BSE and TSE research

97. Rockland Immunochemicals - produces both primary and secondary antibodies for all immunological assays including ELISA, immunoblotting, immunohistochemisty and immunomicroscopy

98. Santa Cruz Biotechnology - offering over 26,000 antibodies

99. Sanquin - a manufacturer of blood group and immune reagents. Sanquin has developed a broad range of reagents, including several products for diagnostic use and for basic and clinical research.

100. Scottish Agricultural Science Agency - monoclonal antibody reagents to be used in ELISA testing for plant viruses. Their main area of expertise is potato virus detection but they also have reagents for other plant viruses.

101. Scottish Biomedical - phosphosphodiesterase (PDE) polyclonal antibodies suitable for western blot, immunoprecipitation and immunohistochemistry applications

102. ScyTek Laboratories

103. Seramon - unique and rare rodent and human monoclonal antibodies for research and diagnostic purposes

104. Seven Hills Bioreagents - monoclonal and polyclonal antibodies to lung-associated and muscle-related antigens developed at the Cincinnati Children's Research Foundation

105. Sigma Chemical Company

106. Signature Immunologics - anti-amino acid antibodies for neurobiological and cell biological research. This site also includes protocols, product information, and guides to state-of-the-art methods in imaging and immunocytochemistry

107. Silver Lake Research - antibodies for small molecules, including antibiotics, pesticides, other drug

108. Solulink - easy to use conjugation kits and services for antibody conjugation, peptide conjugation, or label conjugations

109. Southern Biotechnology Associates

110. Statens Serum Institut - polyclonal and monoclonal antibodies against a range of different antigens available including antibodies for typing of various bacterial species such as Streptococcus, Pneumococcus, Salmonella enterica and Escherichia coli.

111. StemCell Technologies - purified and fluorochrome-conjugated antibodies are available to complement StemCell's spectrum of cell separation and media products. Also available are a number of specialized kits, including Epo ELISA, ALDEFLUOR™ (for stem and progenitor cell identification), and TetraTag™ (for PE labeling of antibodies).

112. Sterogene Bioseparations - chromatography media for the purification of antibodies and proteins from culture, serum, ascites, etc...

113. Strategic Diagnostics

114. Structure Probe (SPI) - supplier of gold conjugates, both conjugated and unconjugated, for electron and light microscopy and blotting techniques.

115. SWant - antibodies against calcium binding proteins, insulin like growth factors, components of the renin-angiotensin system, and more

116. Synaptic Systems - antibodies for the neuroscientist

117. TiterMax - an adjuvant alternative to Freund's complete adjuvant

118. Transmissible Spongiform Encephalopathy (TSE) Resource Centre - anti-recPrP antibodies

119. Trevigen - makers of several interesting antibodies including: anti-UVssDNA, anti-poly(ADP-ribose) polymerase , anti-poly(ADP-ribose) polymer, anti-mouse Bcl-2, anti-human Bcl-2, anti-mouse Bcl-XL, anti-mouse Bax, anti-human Bax, anti-human Bax, anti-human glyceraldehyde-3-phosphate dehydrogenase

120. Trillium Diagnostics - makers of monoclonal antibodies (e.g., CD64 clones 22 ans 32.2 and CD163 clones MAC-158, MAC2-48, and R20.s) and diagnostic test kits (e.g., FETALtrol - an FDA approved tri-level stabilized blood control for fetal-maternal hemorrhage quantification and Leuko64 - a kit for the detection of sepsis and tissue damage). The monoclonals are CD64 clones 22 ans 32.2 and CD163 clones MAC-158, MAC2-48, and R20.

121. Triple Point Biologics - antibodies to MMPs (matrix metalloproteinases), TIMPs (tissue inhibitor of metalloproteinases), calpains, ADAMs proteinases, and BMP proteinases

122. Tulip Biolabs - antibodies for PARP and poly(ADP-ribose) research

123. United States Biological - supplier of over 30,000 antibodies and antigens

124. Vector Laboratories - makers of high quality affinity purified antibodies and antibody conjugates. Vector is also the exclusive US distributor of quality monoclonal/polyclonal primary antibodies from Novocastra.

125. Venom Supplies - polyclonal antibodies to snake venom

126. Ventana Medical Systems

127. Virusys - anti-virus antibodies

128. VMRD - veterinary related monoclonal antibodies

129. Wako Pure Chemical Industries - Japanese website. For the version in English, click here.

130. WolwoBiotech Company - antibodies against tumor-related antigens, adhesion and ECM molecules, immune response regulators, and tissue specific markers

131. Yorkshire Bioscience - mAbs against CD markers, viruses, ILs, Interferons, LDL, MDA, parainfluenza, TNFs, Von Willebrand Factor, human complement proteins, mouse antigens, and Taq and Tth DNA polymerases

132. Zeptometrix

133. Zer Hitech - a ISO 9001 accredited company in the diagnostic field which develops, manufactures, and markets a range of one-step, rapid, and Elisa diagnostic tests to research and medical laboratories